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Leena AI Front end Developer Interview Questions and Answers
Leena AI Front end Developer Interview Experiences
1 interview found
Anonymous
(2 Questions)
- Q1. Write a compare function that compares two objects
- Ans.
A compare function to compare two objects
Create a function that takes in two objects as parameters
Loop through the keys of one object and compare them with the keys of the other object
Return true if the objects have the same keys and values, otherwise return false
- Q2. Longest substring without repeating characters
- Ans.
Find the longest substring without repeating characters
Use a sliding window approach to keep track of the current substring
Use a hash set to store the characters in the current substring
Update the start index of the window when a repeating character is encountered
Skills evaluated in this interview
Front end Developer Jobs at Leena AI
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Interview questions from similar companies
Selected
I applied via Naukri.com and was interviewed in Sep 2023. There was 1 interview round.
60 Minutes - JS questions that too not in code editor rather on notepad, highly unprofessional
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed in Apr 2024. There was 1 interview round.
(2 Questions)
- Q1. Props in reactjs
- Ans.
Props in ReactJS are used to pass data from parent to child components.
Props are read-only and cannot be modified by the child component.
Props can be any type of data, including strings, numbers, arrays, objects, functions, etc.
Props are passed down the component tree from parent to child using the syntax
.
- Q2. How would u make webapp efficient
- Ans.
Optimize code, minimize network requests, use lazy loading, implement caching
Optimize code by removing unnecessary code, using efficient algorithms, and reducing render times
Minimize network requests by combining multiple requests, using server-side rendering, and implementing data caching
Use lazy loading to only load resources when needed, improving initial load times
Implement caching for frequently accessed data to r
Interview Preparation Tips
Skills evaluated in this interview
Selected
I applied via Naukri.com and was interviewed in Sep 2023. There was 1 interview round.
60 Minutes - JS questions that too not in code editor rather on notepad, highly unprofessional
Interview Preparation Tips
Selected
I applied via Recruitment Consulltant and was interviewed before Jul 2023. There were 2 interview rounds.
(2 Questions)
- Q1. Closers along with mcq on closers
- Q2. Event loop detailed explanation
- Ans.
Event loop is a mechanism in JavaScript that allows for asynchronous operations to be executed in a non-blocking way.
Event loop is responsible for handling the execution of code in JavaScript.
It allows for asynchronous operations to be executed without blocking the main thread.
Tasks are added to the event queue and executed in the order they were added.
Event loop continuously checks the call stack and the event queue t
Normal react counter question, lifecycle method
Skills evaluated in this interview
I applied via LinkedIn and was interviewed in Jun 2022. There were 3 interview rounds.
(1 Question)
- Q1. Basics of JavaScript, Coding
(1 Question)
- Q1. React Core Concepts, Coding
(1 Question)
- Q1. Design Jira Dashboard (LLD), WhatsApp (HLD)
- Ans.
Designing Jira Dashboard and WhatsApp HLD
For Jira Dashboard, focus on displaying project status, issue tracking, and team performance metrics
For WhatsApp HLD, consider features like messaging, voice and video calls, group chats, and file sharing
Ensure user-friendly interface and seamless navigation for both applications
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Skills evaluated in this interview
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